Hey guys. I got my 2011 X6 35i last week in SC and drove it back to NJ(about 730 miles). I could not believe when I got home to see the car had averaged 24.7 mpg. The car is rated 17-25. After driving around town it is down to 22.5 and I am still very surprised. This new combo with the N55 engine and 8 speed trans is incredible. I will continue to monitor this with different gas stations and see which brand yields the best mpg. If anyone has a great experience with a certain gas brand please post it.
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